CN202386779U - Electric pick retractor hook for separating and dividing small blood vessels under microscope - Google Patents
Electric pick retractor hook for separating and dividing small blood vessels under microscope Download PDFInfo
- Publication number
- CN202386779U CN202386779U CN2011204869751U CN201120486975U CN202386779U CN 202386779 U CN202386779 U CN 202386779U CN 2011204869751 U CN2011204869751 U CN 2011204869751U CN 201120486975 U CN201120486975 U CN 201120486975U CN 202386779 U CN202386779 U CN 202386779U
- Authority
- CN
- China
- Prior art keywords
- hook
- hook arm
- shank
- millimeters
- luxuriant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses an electric pick retractor hook for separating and dividing small blood vessels under a microscope, which can safely separate and retain parathyroid gland vascular in a surgery, and is provided with a metal hook rod (1), wherein the hook rod is coated with an insulating sleeve body (2), the front end of the hook rod is integrally connected with a hook arm (3) in a bending mode, the rear end portion of the hook rod is provided with a bare combined segment (11) which can be inserted and connected with an electric coagulation knife handle, the front end portion of the hook rod is provided with a bare transition section (12), and the rear end portion of the insulating sleeve body is provided with a resistance turn structure section (21) which can be matched with the electric coagulation knife handle. The length of the hook rod is 110mm-160mm, the hook arm is a straight hook arm, the length of the hook arm is 2.5mm-5.0mm, a folding angle alpha between the hook rod and the hook arm is 115 degree-135 degrees, the radial dimension from the hook rod to a transition area section of the hook arm gradually deforms, and the front end of the hook arm is a blunt arc end. The electric pick retractor hook for separating and dividing the small blood vessels under the microscope is used for separating and retaining the parathyroid gland vascular in a thyroid surgery.
Description
Technical field
This utility model relates to the thyroid surgical operating instrument; Particularly little otch scope or scope are assisted thyroid operation (improvement Miccoli endoscopic technic pattern) (Minimally Invasive Video-assisted Thyroidectomy, MIVAT) operating theater instruments of parathyroid gland and supply vessels thereof separation reservation operations in the art.
Technical background
Parathyroid gland is a human endocrine gland.Its bodily form is very little (to be about 3-8 millimeter, wide 2-5 millimeter, thick 0.5-2 millimeter.Heavily about 35-50 milligram), is oblate or oval, tunicle and base of a fruit blood vessel (feeding artery and reflux veins) are arranged self.Generally there are two pairs up and down, lay respectively at the dorsal surface of the left and right leaf of thyroid.The parathyroid hormone of pth secretion have regulates the important function of maintaining the serum calcium physiological level.Because serum calcium is the direct sources of the inside and outside liquid calcium of cells in vivo, this hormone is very big to human nerve-excitation of muscle influence, promptly can cause mouthful all numb limbs and tense tendons during hyposecretion, even tetany; Can cause osteoporosis and lithangiuria during supersecretion.
In thyroid operation, often must separate and keep parathyroid gland.But the parathyroid bodily form is very little, and color and luster is close with fat, and blood vessel is very thin and be close to thyroid dorsal part tunicle again, and the observation careless manipulation is cut very easily by mistake or injured its supply vessels, causes body of gland to lose and/or ischemic necrosis.As a result, will to occur with low blood calcium hyposexuality and/or muscle twitches be the severe complication of main table disease to patient's postoperative.In view of the latter influences greatly patients ' life quality; Still there is not desirable remedial measure at present both at home and abroad again; Most doctors just are reluctant to take risks to do and relate to the full leaf resection operation of the other isolating thyroid of gland (generally get the pessimistic scheme of big excision of a side gland leaf excision+offside gland leaf, place hope on the offside two pieces of other glands survivals of withing a hook at the end).Yet even if so careful, permanent hypoparathyroidism or deletion condition still happen occasionally.
Obviously, want to guarantee operation safety and improve the operation quality, just must set up the separation reservation technology of a kind of practicable other gland and supply vessels thereof.This utility model people is an operating platform with little otch scope or scope assisted surgery (improvement Miccoli endoscopic technic pattern); Set up a kind of observational technique that can see other gland and supply vessels thereof clearly earlier and (reset the wild switching displayed method of Jiao-double vision; By the 10-14 video image of clear amplification doubly; Reliablely and stablely identification and the other gland of affirmation, and can also clearly observe its very thin supply vessels).Then through the scope microscopic applications dissect research got clear the dissection of other gland blood supply system constitute (three grades of arteriovenous blood supply systems and with the vessel of thyroid system between relatedness) and certificate confirmed separating basically of other gland and supply vessels thereof of tactful (reservation relevant blood vessel; From disconnected irrelevant blood vessel, the very thin arteriovenous of promptly being close to fibrous capsule of thyroid gland separation cut turnover body of gland adheres to separately props up).On this basis, get back to practical operation at last, set about development and design the luxuriant disconnected electricity consumption of the micro-branch of this utility model-minute blood vessel choose and lead hook.
Clinic trial result proves that it is all good that this electricity is chosen the work space compliance and the topography adaptability that lead hook.By " divide-choose-coagulate-the Qie manipulation, not only dissociating easily appears very thin blood vessel, and can conveniently it be closed cut-out with fixed attention.Be that basic apparatus implementation and operation can safety, stable, realize that quickly the separation of parathyroid gland and supply vessels thereof keeps.
Update search is not seen to have to choose with this electricity and is led the same or analogous apparatus of hook report.
Summary of the invention
This utility model will solve and be difficult to separate the operational issue that keeps parathyroid gland and supply vessels thereof in the thyroid operation; Provide the luxuriant disconnected electricity consumption of the micro-branch of a kind of minute blood vessel of this utility model to choose for this reason and lead hook; This electricity is chosen and is led can be in the thyroid operation convenient very thin blood vessel that separates around the parathyroid gland of hook; And when appearing, judge, close with fixed attention, leaving disconnected these blood vessels, intact reservation parathyroid gland and supply vessels system thereof.
For addressing the above problem; Its special character of technical scheme that this utility model adopts is to be provided with metal matter shank, is coated with the insulation body on the shank, is connected with to the bending of shank front end integraty the hook arm; The shank rearward end can be inserted the adapter section that is connected in the electric coagulating knife handle for exposed; The shank leading section is exposed changeover portion, and said insulation body rearward end is for being matched with the resistance rotation structure section of electric coagulating knife handle, like the hexagonal structural sections of cross section.
Said shank length is operated suitability (stability and feel) for suitable after connecting the electric coagulating knife handle with shank, and this length can be 110 millimeters～160 millimeters; Said hook arm is straight type hook arm, and the hook arm lengths can be 2.5 millimeters～5.0 millimeters, and knuckle α can be 115 °～135 ° between shank and hook arm; Be gradual change shape from shank to hook arm transition zone radial dimension; Hook arm front end is blunt type arc end, and promptly end face is sphere shape, but not sharp end.
The adapter section diameter of said shank can be 1.8～2.4 millimeters, but adaptively is connected in general electric coagulating knife handle and is as the criterion to insert.
The bending part shape of cross section that said shank links to each other with the hook arm is preferably Long Circle or ellipse, and Long Circle or oval-shaped major diameter and minor axis be the width and the thickness of corresponding bending junction respectively.
Said insulation body rear portion should have the fin that radially extends out, and pinches plug to make things convenient for banjo splint; Be typically and have three road fins.
Said hook arm shape of cross section is preferably Long Circle or ellipse, and Long Circle or oval-shaped major diameter and minor axis be the width and the thickness of corresponding hook arm respectively.
Said shank length is preferably 120 millimeters～140 millimeters, and the hook arm lengths is preferably 3.0 millimeters～4.0 millimeters, and knuckle α is preferably 120 °～130 ° between shank and hook arm.
Should the antiseized coat of metal of nanoscale be arranged at the anterior section coating surface of the shank of said hook arm and connection thereof, hook arm and the anterior metal surface of shank and being closed between tissue with fixed attention sticks together when avoiding work.
Said hook arm rearward end width D 1 is preferably 0.7～0.9 millimeter, and hook arm leading section width is preferably 0.6～0.8 millimeter.
More preferably 130 millimeters of said shank length, more preferably 3.5 millimeters of hook arm lengths, knuckle α is more preferably 125 ° between shank and hook arm.
The luxuriant disconnected electricity consumption of the micro-branch of this utility model minute blood vessel is chosen and led hook is the auxiliary thyroid operation of little otch scope or scope (improvement Miccoli endoscopic technic pattern; Minimally Invasive Video-assisted Thyroidectomy, MIVAT) the separation reservation operations of parathyroid gland and supply vessels thereof is used apparatus in the art.Electricity is chosen the shank rearward end of leading hook and is inserted the use of electric coagulating knife handle socket.
This utility model system dissects formation and separates tactful development and design according to the parathyroid gland blood supply system.
The anterior transition from coarse to fine of the length of shank, diameter and shank is that the designer considers whole tool profile and the size that itself and operation (improvement Miccoli endoscopic technic pattern) approach and chamber local space adapt in this utility model.
In this utility model between the blunt circular arc of hook end, hook arm lengths, hook arm and shank the preferably round flat transition in knuckle and knuckle place be to consider that itself and separate object (gap under three grades of blood vessels of short and very thin thyroid and the blood vessel thereof) adapt.
The insulation body that coats on the shank in this utility model (adopting the electric insulation plastic material) is the histoorgan of considering beyond separation shank and the operation technique point, in order to avoid inoperative property electric injury is caused in unexpected between the two contact formation loop when operation.In addition, the geometry of insulation body for be fit to common electric coagulating knife handle between plug be connected.
Particularly, the knuckle in this utility model between hook arm and shank, 115～135 ° of α; 120～130 ° of preferred α; More preferably α is 125 °, is to consider that its hook end is prone to brokenly go into the fascial space under the minute blood vessel, the righttest the breaking into the angle that forms about 30 ° between hook arm axle line and vessels axis.The blunt circular arc of hook end is after considering brokenly minute blood vessel in this utility model, the unlikely blood vessel wall of tearing when axial slip enlarges the fascial space.
This utility model ties up to the micro-amplification imaging method of a kind of scope of having set up earlier (resetting the wild switching displayed of Jiao-double vision); And borrow it to put parathyroid gland supply vessels system formation in order (and on the basis of the relation between the thyroid supply vessels system (microsurgery Applied Anatomy observed result); Separate the reservation operations strategy according to the parathyroid gland of new formulation and supply vessels thereof, develop formation at last to the micro-separation requirement of minute blood vessel.Concrete with dividing luxuriant disconnected thyroid third level blood vessel (arteriovenous of the existing body tunicle of turnover adhere to separately) in the Rhizoma Atractylodis Macrocephalae, and keep the supply vessels (base of a fruit blood vessel and upper level arteriovenous thereof adhere to separately and prop up) of other gland thus indirectly.Its process or employing maneuver can be described as " dividing-choose-coagulate-Qie " method, and promptly choosing through dissociating earlier and leading the differentiation particular blood vessel is the parathyroid gland relevant blood vessel, or irrelevant blood vessel.Relevant blood vessel is kept, irrelevant blood vessel is then closed cut-out choosing conveniently with fixed attention on the basis of leading.
Can dissociate, appear, close with fixed attention and cut off in one by blood-collecting tube in this utility model Rhizoma Atractylodis Macrocephalae, need not substitute apparatus, simple to operate, coherent, quick.The clinic trial result of this utility model appearance tool shows; " dividing-choose-coagulate-Qie " maneuver by means of letter; Can safety, fast, consistently accomplish other gland peripheral region (non-other gland belongs to) minute blood vessel dissociating, appear, closing with fixed attention with from accurate operation such as disconnected, thereby intact reservations side gland supply vessels system.
Description of drawings
Fig. 1 is this utility model outline drawing;
Fig. 2 is this utility model structural representation;
Fig. 3 is Fig. 1 enlarged drawing;
Fig. 4 is Fig. 2 enlarged drawing;
Fig. 5 is Fig. 2 partial enlarged drawing;
Fig. 6 is that enlarged drawing is looked on Fig. 1 right side;
Fig. 7 is that enlarged drawing is looked on Fig. 1 left side;
Fig. 8 is Fig. 3 A-A cutaway view Amplified image;
Fig. 9 is Fig. 5 B-B cutaway view Amplified image;
Figure 10 is Fig. 1 left part (hook arm of this utility model and continuous shank part section thereof) enlarged drawing.
The specific embodiment
The luxuriant disconnected electricity consumption of the micro-branch of minute blood vessel is chosen and is led hook, is provided with stainless steel shank 1, and shank length is 130 millimeters; Be coated with insulation body 2 on the shank, be connected with hook arm 3 to the bending of shank front end integraty, the hook arm lengths is 3.5 millimeters; Knuckle α is 125 ° between shank and hook arm; The shank rearward end can be inserted the adapter section 11 that is connected in the electric coagulating knife handle for exposed, and adapter section 11 diameters are 2.0 millimeters, and the shank leading section is exposed changeover portion 12; Transition section length is 4.0 millimeters, and insulation body 2 rearward end are for being matched with the hexagonal resistance rotation structure of the cross section section 21 of electric coagulating knife handle; Be gradual change shape from shank to hook arm transition zone radial dimension, hook arm front end is blunt type arc end; The bending part shape of cross section that shank links to each other with the hook arm is Long Circle or ellipse, and Long Circle or oval-shaped major diameter and minor axis be the width and the thickness of corresponding bending junction respectively; Insulation body rear portion has the fin 22 that three roads radially extend out; Hook arm shape of cross section is Long Circle or ellipse, and Long Circle or oval-shaped major diameter and minor axis be the width and the thickness of corresponding hook arm respectively; The anterior section coating surface of the shank of hook arm and connection thereof has the antiseized coat of metal 4 of nanoscale; Hook arm rearward end width D 1 is 0.7～0.9 millimeter, and hook arm leading section width is 0.6～0.8 millimeter.
Claims (9)
1. the luxuriant disconnected electricity consumption of the micro-branch of minute blood vessel is chosen and is led hook; It is characterized in that being provided with metal matter shank (1); Be coated with insulation body (2) on the shank, be connected with to the bending of shank front end integraty hook arm (3), the shank rearward end can be inserted the adapter section (11) that is connected in the electric coagulating knife handle for exposed; The shank leading section is exposed changeover portion (12), and said insulation body rearward end is for being matched with the resistance rotation structure section (21) of electric coagulating knife handle;
Said shank length is 110 millimeters～160 millimeters; The hook arm is straight type hook arm, and the hook arm lengths is 2.5 millimeters～5.0 millimeters, and knuckle α is 115 °～135 ° between shank and hook arm; Be gradual change shape from shank to hook arm transition zone radial dimension, hook arm front end is blunt type arc end.
2. the luxuriant disconnected electricity consumption of the micro-branch of minute blood vessel as claimed in claim 1 is chosen and is led hook, it is characterized in that adapter section (11) diameter of said shank is 1.8～2.4 millimeters.
3. the luxuriant disconnected electricity consumption of the micro-branch of minute blood vessel as claimed in claim 1 is chosen and is led hook; It is characterized in that the bending part shape of cross section that said shank links to each other with the hook arm is Long Circle or ellipse, Long Circle or oval-shaped major diameter and minor axis be the width and the thickness of corresponding bending junction respectively.
4. the luxuriant disconnected electricity consumption of the micro-branch of minute blood vessel as claimed in claim 1 is chosen and is led hook, it is characterized in that said insulation body rear portion has the fin (22) that radially extends out.
5. choose and lead hook like claim 1,2, the luxuriant disconnected electricity consumption of the micro-branch of 3 or 4 described minute blood vessels, it is characterized in that said hook arm shape of cross section is Long Circle or ellipse, Long Circle or oval-shaped major diameter and minor axis be the width and the thickness of corresponding hook arm respectively.
6. choose and lead hook like claim 1,2, the luxuriant disconnected electricity consumption of the micro-branch of 3 or 4 described minute blood vessels, it is characterized in that said shank length is 120 millimeters～140 millimeters, the hook arm lengths is 3.0 millimeters～4.0 millimeters, and knuckle α is 120 °～130 ° between shank and hook arm.
7. choose and lead hook like claim 1,2, the luxuriant disconnected electricity consumption of the micro-branch of 3 or 4 described minute blood vessels, it is characterized in that the anterior section coating surface of shank of said hook arm and connection thereof has the antiseized coat of metal of nanoscale (4).
8. the luxuriant disconnected electricity consumption of the micro-branch of minute blood vessel as claimed in claim 5 is chosen and is led hook, it is characterized in that said hook arm rearward end width D 1 is 0.7～0.9 millimeter, and hook arm leading section width is 0.6～0.8 millimeter.
9. the luxuriant disconnected electricity consumption of the micro-branch of minute blood vessel as claimed in claim 6 is chosen and is led hook, it is characterized in that said shank length is 130 millimeters, and the hook arm lengths is 3.5 millimeters, and knuckle α is 125 ° between shank and hook arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204869751U CN202386779U (en) | 2011-11-30 | 2011-11-30 | Electric pick retractor hook for separating and dividing small blood vessels under microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204869751U CN202386779U (en) | 2011-11-30 | 2011-11-30 | Electric pick retractor hook for separating and dividing small blood vessels under microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202386779U true CN202386779U (en) | 2012-08-22 |
Family
ID=46661734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204869751U Expired - Lifetime CN202386779U (en) | 2011-11-30 | 2011-11-30 | Electric pick retractor hook for separating and dividing small blood vessels under microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202386779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102488551A (en) * | 2011-11-30 | 2012-06-13 | 高力 | Electric picking and tracting hook for separating small blood vessels under microscope |
-
2011
- 2011-11-30 CN CN2011204869751U patent/CN202386779U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102488551A (en) * | 2011-11-30 | 2012-06-13 | 高力 | Electric picking and tracting hook for separating small blood vessels under microscope |
| CN102488551B (en) * | 2011-11-30 | 2014-01-29 | 高力 | Electric picking and tracting hook for separating small blood vessels under microscope |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201529148U (en) | Bipolar-coagulation cutting forceps | |
| CN202386779U (en) | Electric pick retractor hook for separating and dividing small blood vessels under microscope | |
| CN102488551B (en) | Electric picking and tracting hook for separating small blood vessels under microscope | |
| CN205215509U (en) | Multifunctional ophthalmic scalpel | |
| CN203777022U (en) | Anti-slip fibroid grasping device | |
| CN2936183Y (en) | Expansion type spongy bone hollow screw | |
| CN218128736U (en) | In-ear electrode with stripping function | |
| CN102920495B (en) | Uterine cavity cutter knife and connecting method of uterine cavity cutter knife | |
| CN104825210B (en) | Cervical conization device | |
| CN201524103U (en) | Medical muscles and bones needle set | |
| CN208808575U (en) | A kind of bone cartilage takes bone object and periosteum bone to take bone object | |
| CN202146323U (en) | Posterolateral approach bone lever for hip replacement | |
| CN210130896U (en) | Scalpel for cutting off uterus or myoma | |
| CN203001108U (en) | Electrocoagulation hook for operations | |
| CN209564145U (en) | A kind of transparent small size tunnel of neuroendoscope-assisted | |
| CN206621413U (en) | A kind of diathermy forceps that drips for being easy to tissue to separate | |
| CN201356607Y (en) | Handle | |
| CN204033482U (en) | The solidifying cutter of a kind of operation | |
| CN204364077U (en) | The little recessed cutter of Minimally Invasive Surgery | |
| CN101926665A (en) | Accessory for sleeving puncturing rod | |
| CN204246218U (en) | A kind of gynecilogical operation assistive device | |
| CN206252536U (en) | A kind of new fine steel needle | |
| CN218279894U (en) | A examination mould subassembly for half hip joint replacement | |
| CN213722134U (en) | Side-opening medical biopsy forceps | |
| CN210697762U (en) | Endoscopic transnasal butterfly surgery is with peeling off sword shovel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120822 Effective date of abandoning: 20140129 |
|
| RGAV | Abandon patent right to avoid regrant |